CN113598645B - Motor with high-efficient cooling air duct and dust collector - Google Patents
Motor with high-efficient cooling air duct and dust collector Download PDFInfo
- Publication number
- CN113598645B CN113598645B CN202110995130.3A CN202110995130A CN113598645B CN 113598645 B CN113598645 B CN 113598645B CN 202110995130 A CN202110995130 A CN 202110995130A CN 113598645 B CN113598645 B CN 113598645B
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- China
- Prior art keywords
- motor
- cavity
- impeller
- air port
- support
- Prior art date
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- 238000001816 cooling Methods 0.000 title claims abstract description 17
- 239000000428 dust Substances 0.000 title abstract description 12
- 238000007789 sealing Methods 0.000 claims description 24
- 230000035939 shock Effects 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 description 9
- 238000005457 optimization Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
- A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/22—Mountings for motor fan assemblies
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
- A47L9/2889—Safety or protection devices or systems, e.g. for prevention of motor over-heating or for protection of the user
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a motor with an efficient cooling air duct and a dust collector.A cavity is formed inside the motor lower cover and the motor upper cover after the motor lower cover is assembled, a first air port and a first side air port which are all communicated with the cavity are arranged on the motor lower cover, a second air port and a second side air port which are all communicated with the cavity are arranged on the motor upper cover, an inner bracket is arranged in the cavity and divides the cavity into an inner cavity and an outer cavity which are not communicated with each other, a rotor assembly comprises a rotating shaft, an inner impeller and an outer impeller, the inner impeller is positioned in the inner cavity and guides air entering from the second air port into the inner cavity and then guides the air entering from the second air port out from the second side air port, and the outer impeller is positioned in the outer cavity and guides the air entering from the first air port into the outer cavity and then guides the air entering from the first side air port out from the first side air port. According to the invention, the motor cavity is effectively separated between the inner impeller and the outer impeller, flowing air is respectively formed by the inner impeller and the outer impeller for heat dissipation, the heat dissipation efficiency is high, the inner impeller and the outer impeller are driven by the uniform rotating shaft and synchronously rotate, the structure is simple, and the stability is good.
Description
Technical Field
The invention relates to the technical field of dust collectors, in particular to a motor with an efficient cooling air duct and a dust collector.
Background
The motor of the dust collector is a heart of the dust collector, so that the motor has higher performance requirements and ensures the service life of the motor. The air duct of the conventional motor is single, and the main function of the motor is that negative pressure is formed in the motor, and then the motor generates wind force by air generated by the negative pressure flowing through the motor. The air duct in the motor has limited heat dissipation effect on the motor and poor heat dissipation effect on the rotor assembly and the stator assembly of the motor; if a plurality of air channels are arranged for heat dissipation, the air channels are connected in series if the air channels are crossed, so that the conveying distance of air can be increased, and the heat dissipation efficiency of the conducted air channels can be influenced.
Disclosure of Invention
The invention aims to provide a motor with an efficient cooling air duct and a dust collector, wherein the motor cavity is effectively separated through an inner bracket and an outer bracket, flowing air is respectively formed by an inner impeller and an outer impeller which are arranged in an inner cavity and an outer cavity for heat dissipation, the heat dissipation efficiency is high, the inner impeller and the outer impeller are driven by a uniform rotating shaft and synchronously rotate, and the motor has a simple structure and good stability.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a motor with high-efficient cooling wind channel, includes motor lower cover, motor upper cover, inner support, stator module and rotor module, inside cavity that forms after motor lower cover and the equipment of motor upper cover, be equipped with first wind gap and the first side wind gap all with the cavity intercommunication on the motor lower cover, be equipped with second wind gap and the second side wind gap all with the cavity intercommunication on the motor upper cover, the inner support is arranged in the cavity, and this inner support separates the cavity into inner chamber and the outer chamber that are not intercommunicated, stator module and rotor module all install on the inner support, the rotor module includes the pivot and installs in pivot interior impeller and outer impeller, interior impeller is located the inner chamber, is derived by the second side wind gap after this interior impeller introduces the air that the second wind gap got into the inner chamber, the outer impeller is located the outer chamber, and this outer impeller is derived by first side wind gap after introducing the air that the first wind gap got into the outer chamber.
As further optimization, the inner bracket comprises a bottom bracket and an upper bracket formed at the upper end of the bottom bracket, wherein the bottom bracket is abutted with the upper motor cover, and the upper bracket extends upwards into the upper part of the upper motor cover; the stator assembly and the rotor assembly are mounted on a bottom bracket.
As further optimization, an inner cavity sealing ring is arranged between the bottom bracket and the motor upper cover; the bottom support is abutted with the corner of the motor upper cover, and the inner cavity sealing ring is bent and is arranged at the corner of the motor upper cover.
As a further optimization, the motor further comprises an outer support, the outer support is arranged at the lower part of the outer cavity and is positioned at the opposite outer side of the inner support, the upper end of the outer support is not abutted against the inner support, the outer support divides the outer cavity into an inner-layer outer cavity and an outer-layer outer cavity which are communicated, and the outer impeller introduces air entering from the first air port into the inner-layer outer cavity, then enters the outer cavity and is led out from the first air port.
As a further refinement, the radius of the annular cross section of the inner outer chamber is smaller than the radius of the annular cross section of the outer chamber.
As further optimization, the outer bracket is arranged on the motor lower cover, and a shock pad is arranged between the outer bracket and the motor lower cover.
As further optimization, the lower end of the motor upper cover is provided with a slot, and the upper end of the motor lower cover stretches into the slot to seal the outer cavity.
As further optimization, an outer cavity sealing ring is arranged in the slot, and the upper end of the motor lower cover is abutted against the outer cavity sealing ring.
The invention also provides a dust collector, and a motor with an efficient cooling air duct is arranged in the dust collector.
As further optimization, the lower end of the motor lower cover is provided with a sealing groove, and an organism sealing gasket is arranged in the sealing groove.
Compared with the prior art, the invention has the following beneficial effects:
1. The motor cavity is divided into an inner cavity and an outer cavity by the inner support, an inner impeller and an outer impeller are respectively arranged in the inner cavity and the outer cavity, cold air for radiating and air intake is led into the inner cavity by rotation of the inner impeller and the outer impeller, hot air is formed into radiating and air outlet after radiating the inner cavity, cold air for radiating and air intake of the motor is led into the outer cavity, and hot air is formed into motor air outlet and air outlet after radiating the outer cavity, so that the acting space of the cold air is improved, and the integral radiating efficiency of the motor is improved;
2. The arrangement of the outer support can prolong the travel of the motor air inlet entering from the first air inlet in the outer cavity, so that the contact time and the contact area between the cold air of the motor air inlet and the inner support are increased, the heat conduction efficiency is improved, and the heat dissipation effect is improved.
Drawings
Fig. 1 is a structural view of a motor of the present invention.
Fig. 2 is a cross-sectional view of the motor of the present invention.
Fig. 3 is an enlarged view at a in fig. 2.
Fig. 4 is a side view of the motor of the present invention.
Fig. 5 is a schematic diagram of the internal air flow of the motor of the present invention.
Fig. 6 is a schematic view of a cleaner according to the present invention.
Fig. 7 is an enlarged view at B in fig. 6.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 5, the motor with the efficient cooling air duct comprises a motor lower cover 1, a motor upper cover 2, an inner support 4, a stator assembly 51 and a rotor assembly, wherein a cavity is formed inside the motor lower cover 1 and the motor upper cover 2 after being assembled, a clamping head 71 is arranged on the motor lower cover, a clamping buckle 72 is arranged on the motor upper cover, the motor upper cover is installed on the motor lower cover by the clamping head, a first air opening 11 and a first side air opening 12 which are communicated with the cavity are arranged on the motor lower cover 1, a second air opening 21 and a second side air opening 22 which are communicated with the cavity are arranged on the motor upper cover 2, the inner support 4 is arranged in the cavity, the cavity is divided into an inner cavity 101 and an outer cavity 102 which are not communicated with each other by the inner support 4, the stator assembly 51 and the rotor assembly are all installed on the inner support 4, the rotor assembly comprises a rotating shaft 520, an inner impeller 522 and an outer impeller 521 which are installed on the rotating shaft 520, the inner impeller 522 is located in the inner cavity 101, air entering the second air opening 22 is led out from the second side air opening 22 after being led in the inner cavity 101, the outer impeller 22 is located in the outer cavity 102, and the air is led out from the first side air opening 11 and out from the first side air opening 11.
In the invention, wind power required by the dust collector during operation is generated by the rotation of the outer impeller driven by the rotating shaft in the rotor assembly, negative pressure is generated around the rotation of the outer impeller, air enters the outer cavity in the motor from the outside of the motor through the first air port and is discharged from the first side air port, and the process provides wind power for the dust collector during operation. Because the air entering from the first air port is cold air, the air can exchange heat with the outer cavity, the rotor assembly, the stator assembly and the like through the contact between the air entering from the first air port and the inner bracket after entering into the outer cavity, so that the cooling effect is achieved; because the inner impeller fixed on the rotating shaft is arranged in the inner cavity, when the rotating shaft rotates, the inner impeller rotates, negative pressure is generated around the inner impeller, so that cold air at the upper part of the motor upper cover can be guided into the inner cavity through the second air port to cool the rotor assembly and the stator assembly, and then guided out through the second side air port to discharge hot air out of the motor.
According to the invention, the motor cavity is divided into the inner cavity and the outer cavity, the inner impeller and the outer impeller are respectively arranged in the inner cavity and the outer cavity, cold air for radiating and air intake is led into the inner cavity through rotation of the inner impeller and the outer impeller, hot air is formed into radiating and air outlet for discharging after radiating the inner cavity, meanwhile, cold air for radiating the motor is led into the outer cavity, and hot air is formed into motor air outlet for discharging after radiating the outer cavity, so that the action space of the cold air is improved, and the integral radiating efficiency of the motor is improved.
The inner impeller and the outer impeller are driven to synchronously rotate by the rotating shaft of the rotor assembly, namely, the action of the inner impeller and the outer impeller is completed by one power source, and the rotor assembly has the advantages of simple structural design, good synchronism and better rotation stability.
The inner bracket 4 comprises a bottom bracket 41 and an upper bracket 42 formed at the upper end of the bottom bracket 41, the bottom bracket 41 is abutted against the motor upper cover 2, and the upper bracket 42 extends upwards into the upper part of the motor upper cover 2; the stator assembly 5 and the rotor assembly are mounted on a bottom bracket 41. The bottom bracket forms an inner cavity in the cavity, and the upper bracket can keep communication with the second side air port when the air entering from the second air port is guided into the inner cavity of the bottom bracket, so that the formed heat dissipation air outlet can be discharged out of the inner cavity.
An inner cavity sealing ring 63 is arranged between the bottom bracket 41 and the motor upper cover 2; the bottom bracket 41 is abutted against the corner of the motor upper cover 2, and the inner cavity sealing ring 63 is bent and is arranged at the corner of the motor upper cover 2. Because the corner is not beneficial to the ventilation of air, the inner cavity sealing ring is arranged at the corner of the upper cover of the motor, so that the sealing effect is better, and the air is prevented from flowing into the outer cavity.
The motor further comprises an outer support 3, the outer support 3 is arranged at the lower part of the outer cavity 102 and is positioned at the opposite outer side of the inner support 4, the upper end of the outer support 3 is not abutted against the inner support 4, the outer support 3 divides the outer cavity 102 into an inner layer outer cavity 1021 and an outer layer outer cavity 1022 which are communicated, and the outer impeller 521 guides air entering from the first air port 11 into the inner layer outer cavity 1021 and then into the outer layer outer cavity 1022 to be led out through the first side air port 12.
The setting of outer support can prolong the stroke of the motor air inlet that first wind gap got into in the outer intracavity, especially, the vertical setting of outer support has increased contact time and area of contact between the cold air of motor air inlet and the inner support, has improved heat conduction's efficiency, has improved the radiating effect.
The radius of the annular cross-section of the inner outer chamber 1021 is smaller than the radius of the annular cross-section of the outer chamber 1022. The narrow passageway of inner layer outer chamber can keep cold air more and contact with the inner support, improve the radiating effect, the upper end of outer support has the expansion portion moreover, when keeping the upper and lower radius of inner layer outer chamber unanimous, the top of outer layer outer chamber has been extruded, the radius on outer layer outer chamber upper portion has been reduced promptly, because the space of this part is less, consequently the flow rate of air can be great, can be with the hot air after the inner layer outer chamber carries out heat exchange quick extrusion income outer layer outer chamber's lower part by first side wind gap discharge, can not influence the discharge rate of hot air, indirect promotion radiating efficiency.
The outer support 3 is arranged on the motor lower cover 1, and a shock pad 62 is arranged between the outer support and the motor lower cover, so that the shock pad can prevent the outer support from violently vibrating to keep the motor to stably run, and can prevent cold air from directly entering the outer cavity of the outer layer from the inner outer cavity through a gap to avoid reducing the heat dissipation effect.
The lower end of the motor upper cover 2 is provided with a slot 20, and the upper end of the motor lower cover 1 stretches into the slot 20 to seal the outer cavity 102. Specifically, two sides of the lower end of the motor upper cover are respectively formed with an outer layer wall 201 and an inner layer wall 202, the length of the inner layer wall is greater than that of the outer layer wall, and a slot 20 is formed between the outer layer wall and the inner layer wall. An outer cavity sealing ring 61 is arranged in the slot 20, and the upper end of the motor lower cover 1 is abutted against the outer cavity sealing ring 61. Through setting up outer chamber sealing washer, can guarantee that the air between the inside and outside of motor is isolated, guarantee the work efficiency of motor.
As shown in fig. 6 to 7, the present invention also provides a vacuum cleaner in which a motor having an efficient cooling air duct is installed. The lower end of the motor lower cover 1 is provided with a sealing groove 100, and the organism sealing gasket 64 is arranged in the sealing groove 100. The organism sealing washer is used for separating first wind gap and first side wind gap, prevents that the hot air of motor air-out department from being inhaled motor air inlet department, avoids leading to the radiating effect to reduce.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (8)
1. The motor with the efficient cooling air duct is characterized by comprising a motor lower cover, a motor upper cover, an inner support, a stator component and a rotor component, wherein a cavity is formed inside the motor lower cover and the motor upper cover after the motor lower cover is assembled, a first air port and a first side air port which are all communicated with the cavity are formed in the motor lower cover, a second air port and a second side air port which are all communicated with the cavity are formed in the motor upper cover, the inner support is arranged in the cavity, the inner support divides the cavity into an inner cavity and an outer cavity which are not communicated with each other, the stator component and the rotor component are all arranged on the inner support, the rotor component comprises a rotating shaft, an inner impeller and an outer impeller which are arranged on the rotating shaft, the inner impeller is positioned in the inner cavity, air entering the second air port is led out by the second side air port after the inner impeller introduces the air entering the first air port into the outer cavity, and the air entering the first air port is led out by the first side air port after the outer impeller is positioned in the outer cavity;
The inner support comprises a bottom support and an upper support formed at the upper end of the bottom support, the bottom support is abutted with the upper motor cover, and the upper support extends upwards into the upper part of the upper motor cover; the stator assembly and the rotor assembly are mounted on the bottom bracket;
The outer support is arranged at the lower part of the outer cavity and is positioned at the opposite outer side of the inner support, the upper end of the outer support is not in butt joint with the inner support, the outer support separates the outer cavity into an inner outer cavity and an outer cavity which are communicated, and the outer impeller guides air entering from the first air port into the inner outer cavity and then enters the outer cavity to be led out through the first air port.
2. The motor with the efficient cooling air duct of claim 1, wherein an inner cavity sealing ring is arranged between the bottom bracket and the motor upper cover; the bottom support is abutted with the corner of the motor upper cover, and the inner cavity sealing ring is bent and is arranged at the corner of the motor upper cover.
3. The electric machine with efficient cooling air duct of claim 1, wherein the radius of the annular cross-section of the inner outer chamber is smaller than the radius of the annular cross-section of the outer chamber.
4. The motor with efficient cooling air duct of claim 1, wherein the outer bracket is mounted on the motor lower cover with a shock pad therebetween.
5. The motor with the efficient cooling air duct according to claim 1, wherein the lower end of the motor upper cover is provided with a slot, and the upper end of the motor lower cover extends into the slot to seal the outer cavity.
6. The motor with the efficient cooling air duct of claim 5, wherein an outer cavity sealing ring is installed in the slot, and the upper end of the motor lower cover is abutted against the outer cavity sealing ring.
7. A vacuum cleaner, wherein the motor having an efficient cooling air duct as claimed in any one of claims 1 to 6 is installed inside the vacuum cleaner.
8. The vacuum cleaner of claim 7, wherein the lower end of the motor lower housing is provided with a sealing groove, and wherein an organism gasket is installed in the sealing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110995130.3A CN113598645B (en) | 2021-08-27 | 2021-08-27 | Motor with high-efficient cooling air duct and dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110995130.3A CN113598645B (en) | 2021-08-27 | 2021-08-27 | Motor with high-efficient cooling air duct and dust collector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113598645A CN113598645A (en) | 2021-11-05 |
| CN113598645B true CN113598645B (en) | 2024-07-02 |
Family
ID=78309527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110995130.3A Active CN113598645B (en) | 2021-08-27 | 2021-08-27 | Motor with high-efficient cooling air duct and dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113598645B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215874447U (en) * | 2021-08-27 | 2022-02-22 | 苏州日新电器科技有限公司 | Motor and dust catcher with high-efficient cooling air duct |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012107964A1 (en) * | 2011-02-08 | 2012-08-16 | パナソニック株式会社 | Exhaust-circulating electric vacuum cleaner |
| CN208442047U (en) * | 2018-06-25 | 2019-01-29 | 宁波富佳实业有限公司 | A kind of small-sized dry and wet two-purpose dust collector electric fan |
| CN110403516A (en) * | 2019-08-15 | 2019-11-05 | 追觅科技（天津）有限公司 | A kind of hand held cleaner convenient for battery heat dissipation |
| CN112806902B (en) * | 2019-11-18 | 2022-08-05 | 珠海格力电器股份有限公司 | Motor and dust catcher |
-
2021
- 2021-08-27 CN CN202110995130.3A patent/CN113598645B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215874447U (en) * | 2021-08-27 | 2022-02-22 | 苏州日新电器科技有限公司 | Motor and dust catcher with high-efficient cooling air duct |
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| Publication number | Publication date |
|---|---|
| CN113598645A (en) | 2021-11-05 |
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